Substitution Algebraic Expressions

Front

What is substitution in algebra?

Back

Substitution in algebra is the process of replacing a variable with a number or another expression to evaluate an algebraic expression.

Tags

CCSS.6.EE.A.2C

Front

Evaluate the expression 3ab when a = 3 and b = 4.

Back

36

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CCSS.6.EE.A.2C

Front

Evaluate the expression 2a when a = 3.

Back

6

Tags

CCSS.6.EE.A.2C

Front

What is the value of 2r + 1 when r = 3?

Back

7

Tags

CCSS.6.EE.A.2C

Front

Evaluate the expression 2a + 4b when a = 10 and b = 6.

Back

44

Tags

CCSS.6.EE.A.2C

Front

Evaluate the expression 8a - b when a = 10 and b = 6.

Back

74

Tags

CCSS.6.EE.A.2C

Front

What does it mean to evaluate an expression?

Back

To evaluate an expression means to calculate its value by substituting the variables with their respective numbers.

Tags

CCSS.6.EE.A.2C

Front

If a = 2 and b = 5, what is the value of 4a + 3b?

Back

29

Tags

CCSS.6.EE.A.2C

Front

What is the first step in evaluating an expression with multiple variables?

Back

The first step is to substitute each variable with its corresponding value.

Tags

CCSS.6.EE.A.2C

Front

Evaluate the expression 5c - 2 when c = 5.

Back

23

Tags

CCSS.6.EE.A.2C